Query time 0.00107
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "85.05"
},
"grouping_operation": {
"using_filesort": false,
"nested_loop": [
{
"table": {
"table_name": "cscart_products_categories",
"access_type": "range",
"possible_keys": [
"PRIMARY",
"link_type",
"pt"
],
"key": "pt",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"rows_examined_per_scan": 30,
"rows_produced_per_join": 30,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "7.05",
"eval_cost": "6.00",
"prefix_cost": "13.05",
"data_read_per_join": "480"
},
"used_columns": [
"product_id",
"category_id",
"link_type"
],
"attached_condition": "(`webmarco`.`cscart_products_categories`.`product_id` in (426897,415377,388453,389558,390161,390193,390198,389507,388957,415496,389263,390209,390316,388958,390273,389359,388544,388479,389452,390257,388513,389873,390129,389532,390192,389827,388454,390243,390164,389428))"
}
},
{
"table": {
"table_name": "product_position_source",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY",
"pt"
],
"key": "PRIMARY",
"used_key_parts": [
"category_id",
"product_id"
],
"key_length": "6",
"ref": [
"const",
"webmarco.cscart_products_categories.product_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 30,
"filtered": "100.00",
"cost_info": {
"read_cost": "30.00",
"eval_cost": "6.00",
"prefix_cost": "49.05",
"data_read_per_join": "480"
},
"used_columns": [
"product_id",
"category_id",
"position"
]
}
},
{
"table": {
"table_name": "cscart_categories",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY",
"c_status",
"p_category_id"
],
"key": "PRIMARY",
"used_key_parts": [
"category_id"
],
"key_length": "3",
"ref": [
"webmarco.cscart_products_categories.category_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 1,
"filtered": "5.00",
"cost_info": {
"read_cost": "30.00",
"eval_cost": "0.30",
"prefix_cost": "85.05",
"data_read_per_join": "8K"
},
"used_columns": [
"category_id",
"usergroup_ids",
"status",
"storefront_id"
],
"attached_condition": "((`webmarco`.`cscart_categories`.`storefront_id` in (0,1)) and ((`webmarco`.`cscart_categories`.`usergroup_ids` = '') or find_in_set(0,`webmarco`.`cscart_categories`.`usergroup_ids`) or find_in_set(1,`webmarco`.`cscart_categories`.`usergroup_ids`)) and (`webmarco`.`cscart_categories`.`status` in ('A','H')))"
}
}
]
}
}
}
Result
product_id |
category_ids |
position |
388453 |
10438M |
|
388454 |
10438M |
|
388479 |
10438M |
|
388513 |
10438M |
|
388544 |
10439M |
|
388957 |
10439M |
|
388958 |
10439M |
|
389263 |
10446M |
|
389359 |
10446M |
|
389428 |
10446M |
|
389452 |
10446M |
|
389507 |
10439M |
|
389532 |
10439M |
|
389558 |
10438M |
|
389827 |
10439M |
|
389873 |
10439M |
|
390129 |
10438M |
|
390161 |
10438M |
|
390164 |
10438M |
|
390192 |
10438M |
|
390193 |
10438M |
|
390198 |
10439M |
|
390209 |
10438M |
|
390243 |
10439M |
|
390257 |
10440M |
|
390273 |
10440M |
|
390316 |
10446M |
|
415377 |
10438M |
|
415496 |
10438M |
|
426897 |
10438M |
|